1 files changed, 162 insertions, 0 deletions
diff --git a/src/systemc/dt/int/sc_unsigned_bitref.inc b/src/systemc/dt/int/sc_unsigned_bitref.inc
new file mode 100644
index 000000000..09eccd03c
--- /dev/null
+++ b/src/systemc/dt/int/sc_unsigned_bitref.inc
@@ -0,0 +1,162 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  sc_unsigned_bitref.h -- Proxy class that is declared in sc_unsigned.h.  
+
+  Original Author: Ali Dasdan, Synopsys, Inc.
+ 
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+
+// ----------------------------------------------------------------------------
+//  CLASS : sc_unsigned_bitref_r
+//
+//  Proxy class for sc_unsigned bit selection (r-value only).
+// ----------------------------------------------------------------------------
+
+// implicit conversion to uint64
+
+sc_unsigned_bitref_r::operator uint64 () const
+{
+    return m_obj_p->test(m_index);
+}
+
+bool
+sc_unsigned_bitref_r::operator ! () const
+{
+    return (!m_obj_p->test(m_index));
+}
+
+bool
+sc_unsigned_bitref_r::operator ~ () const
+{
+    return (!m_obj_p->test(m_index));
+}
+
+
+// ----------------------------------------------------------------------------
+//  CLASS : sc_unsigned_bitref
+//
+//  Proxy class for sc_unsigned bit selection (r-value and l-value).
+// ----------------------------------------------------------------------------
+
+// assignment operators
+
+const sc_unsigned_bitref &
+sc_unsigned_bitref::operator = (const sc_unsigned_bitref_r &b)
+{
+    m_obj_p->set(m_index, (bool)b);
+    return *this;
+}
+
+const sc_unsigned_bitref &
+sc_unsigned_bitref::operator = (const sc_unsigned_bitref &b)
+{
+    m_obj_p->set(m_index, (bool)b);
+    return *this;
+}
+
+const sc_unsigned_bitref &
+sc_unsigned_bitref::operator = (bool b)
+{
+    m_obj_p->set(m_index, b);
+    return *this;
+}
+
+
+const sc_unsigned_bitref &
+sc_unsigned_bitref::operator &= (bool b)
+{
+    if (!b) {
+        m_obj_p->clear(m_index);
+    }
+    return *this;
+}
+
+const sc_unsigned_bitref &
+sc_unsigned_bitref::operator |= (bool b)
+{
+    if (b) {
+        m_obj_p->set(m_index);
+    }
+    return *this;
+}
+
+const sc_unsigned_bitref &
+sc_unsigned_bitref::operator ^= (bool b)
+{
+    if (b) {
+        m_obj_p->invert(m_index);
+    }
+    return *this;
+}
+
+// #### OPTIMIZE
+void
+sc_unsigned_bitref::concat_set(int64 src, int low_i)
+{
+    bool value = 1 & ((low_i < 64) ? (src >> low_i) : (src >> 63));
+    m_obj_p->set(low_i, value);
+}
+
+void
+sc_unsigned_bitref::concat_set(const sc_signed &src, int low_i)
+{
+    if (low_i < src.length())
+        m_obj_p->set(low_i, src.test(low_i));
+    else
+        m_obj_p->set(low_i, src < 0);
+}
+
+void
+sc_unsigned_bitref::concat_set(const sc_unsigned &src, int low_i)
+{       
+    if (low_i < src.nbits)
+        m_obj_p->set(low_i, src.test(low_i));
+    else
+        m_obj_p->set(low_i, 0);
+}
+
+void
+sc_unsigned_bitref::concat_set(uint64 src, int low_i)
+{
+    bool value = ((low_i < 64) ? (src >> low_i) & 1 : 0);
+    m_obj_p->set(low_i, value);
+}
+
+// other methods
+void
+sc_unsigned_bitref::scan(::std::istream &is)
+{
+    bool b;
+    is >> b;
+    *this = b;
+}